Chávez G., B.M. and Velásquez L., L.E. 2012. Analysis of the local authorities: National Health Survey 2007, Colombia 2011. Revista Facultad Nacional de Salud Pública. 30, 1 (Jun. 2012), 57–65. DOI:https://doi.org/10.17533/udea.rfnsp.10513.